<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>多彩圆</title>

    <style type="text/css">
        * {
            padding: 0;
            margin: 0;
        }

        .box {
            margin: 200px auto 0;
            text-align: center;
            color: red;
            font-size: 30px;
            width: 300px;
            height: 300px;
            background: #cccccc;
            border-radius: 50% 50%;
            box-shadow: 10px 0 10px 10px rgba(22, 100, 200, 0.5);
        }

        .box p {
            position: relative;
            top: 50%;
            transform: translateY(-50%);
        }
    </style>
</head>
<body>
<div class="box">
    <p>极客学院</p>
</div>
</body>
</html>